Food Additives and Browning Reactions Quiz
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Questions and Answers

What kind of products are generally more affected by enzymatic browning?

  • Raw fruit and vegetable products (correct)
  • Canned food products
  • Cooked meat products
  • Processed dairy products
  • What catalyzes the enzymatic browning reaction in plant foods?

  • Lipase enzyme
  • Polyphenol oxidase (PPO) enzyme (correct)
  • Cellulase enzyme
  • Amylase enzyme
  • What kind of tissue damages help in initiating the oxidation of polyphenols into quinones?

  • Biological tissue damages due to microbial activity
  • Physical tissue damages due to peeling, cutting, slicing (correct)
  • Mechanical tissue damages due to grinding
  • Chemical tissue damages due to seasoning
  • What is the general color of the pigments formed due to browning reactions?

    <p>Brown, black, gray, or red</p> Signup and view all the answers

    What is the result of the enzymatic browning reaction?

    <p>Formation of insoluble brown pigment known as melanin</p> Signup and view all the answers

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